Narrated from Sayyiduna Abdullah bin Umar (may Allah be pleased with them both) that the Noble Prophet (peace and blessings be upon him) forbade that a man should send a proposal of engagement over the engagement of his brother, except if the first proposer leaves the woman or gives permission to the other.
Hadith Takhrij«أخرجه البخاري: 5142 ، (انظر مسند أحمد ترقيم الرسالة: 6036 ترقیم بيت الأفكار الدولية: 6036»
Brief Explanation
Benefits: … When a woman inclines towards a man and both are mutually agreeable to marriage, with only the formal contract (nikah) remaining, then it is not permissible for another person to entice that woman towards himself by offering a higher dowry (mahr), or by displaying his wealth or beauty.